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Mechanism of Action and Waterproofing Effect of Hydrophobic Agents in Building Materials

The mechanism of hydrophobic agents is based on their unique molecular structure, featuring a polar "head" and a non-polar "tail." The polar head adheres firmly to the pore surfaces of building materials, while the non-polar tail increases the contact angle between water molecules and the pore surface, creating an effective waterproof barrier that significantly prevents spontaneous water absorption.

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